Civil Engineering MCQAE Level Civil Engineering
For ν = 0.25, E = 200 GPa, G = 80 GPa, K = 133 GPa, the Lame's constant λ = E×ν/[(1+ν)(1−2ν)] equals approximately:
Strength of MaterialsLame's ConstantHARD
Choose the correct answer
A
40 GPa
B
60 GPa
C
80 GPa
D
120 GPa
Correct Answer
C. 80 GPa
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λ = 200,000×0.25/[(1.25)(0.5)] = 50,000/0.625 = 80,000 MPa = 80 GPa
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